Other evidence

Other evidence

Tribune photo by Nancy Stone

A clam fossil found from the same lake bed with the Raptorex kriegsteini dinosaur. "From sediments, fossil fish bones, turtles, clam shells and other fauna we recovered from the rock matrix alongside the Raptorex fossil, we could generally pinpoint where it had been dug up in an area along the border with Inner Mongolia," said Chicago paleontologist Paul Sereno.

A clam fossil found from the same lake bed with the Raptorex kriegsteini dinosaur. "From sediments, fossil fish bones, turtles, clam shells and other fauna we recovered from the rock matrix alongside the Raptorex fossil, we could generally pinpoint where it had been dug up in an area along the border with Inner Mongolia," said Chicago paleontologist Paul Sereno. (Tribune photo by Nancy Stone)

A clam fossil found from the same lake bed with the Raptorex kriegsteini dinosaur. "From sediments, fossil fish bones, turtles, clam shells and other fauna we recovered from the rock matrix alongside the Raptorex fossil, we could generally pinpoint where it had been dug up in an area along the border with Inner Mongolia," said Chicago paleontologist Paul Sereno.Tribune photo by Nancy Stone